@-webkit-keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@-moz-keyframes spin {
    0% {
        -moz-transform: rotate(0deg);
    }
    100% {
        -moz-transform: rotate(360deg);
    }
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes blink {
    0% {
        text-shadow: rgb(255, 255, 255) 0 0 0;
    }
    50% {
        text-shadow: #2f323b 0 0 19px;
    }
    100% {
        text-shadow: rgb(255, 255, 255) 0 0 0;
    }
}

@-webkit-keyframes blink {
    0% {
        text-shadow: rgb(255, 255, 255) 0 0 0;
    }
    50% {
        text-shadow: #2f323b 0 0 19px;
    }
    100% {
        text-shadow: rgb(255, 255, 255) 0 0 0;
    }
}

@-moz-keyframes blink {
    0% {
        text-shadow: rgb(255, 255, 255) 0 0 0;
    }
    50% {
        text-shadow: #2f323b 0 0 19px;
    }
    100% {
        text-shadow: rgb(255, 255, 255) 0 0 0;
    }
}

humpback-app:empty + .preloader {
    opacity: 1;
    z-index: 1000;
}

humpback-app:empty + .preloader>div {
    display: block;
}

.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-color: #ecf0f5;
    opacity: 0;
    transition: opacity .8s ease-in-out;
}

.preloader > div {
    display: none;
    position: relative;
    left: 50%;
    top: 50%;
    width: 100px;
    height: 100px;
    margin: -50px 0 0 -50px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: darkturquoise;
    transform: translate3d(0, 0, 0);
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}

.preloader > p.tip {
    color: white;
    text-align: center;
    font-size: 20px;
    position: relative;
    top: 50%;
    margin-top: -85px;
}

.preloader > p.tip.blink {
    color: transparent;
    font-family: Arial;
    text-decoration: none;
    text-shadow: #2f323b 0 0 0;
    animation-name: blink;
    -webkit-animation-name: blink;
    -moz-animation-name: blink;
    animation-duration: 2.09s;
    -webkit-animation-duration: 2.09s;
    -moz-animation-duration: 2.09s;
    animation-iteration-count: infinite;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-iteration-count: infinite;
    animation-direction: normal;
    -webkit-animation-direction: normal;
    -moz-animation-direction: normal;
}

.preloader > div:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: yellowgreen;
    -webkit-animation: spin 3s linear infinite;
    animation: spin 3s linear infinite;
}

.preloader > div:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: black;
    -webkit-animation: spin 1.5s linear infinite;
    animation: spin 1.5s linear infinite;
}